Cheapest return flights from Seattle to Helsinki in January from 681€

AirHint found the following cheapest return flights from Seattle (SEA) to Helsinki (HEL) in January 2026 (see full year).

Return flights

06 Jan - 13 Jan Finnair
13 Jan - 20 Jan Finnair
27 Jan - 03 Feb Finnair
25 Jan - 01 Feb Finnair
07 Jan - 14 Jan Finnair
14 Jan - 21 Jan Finnair
19 Jan - 26 Jan Finnair
12 Jan - 19 Jan Finnair
26 Jan - 02 Feb Finnair
28 Jan - 04 Feb Finnair
29 Jan - 05 Feb Finnair
22 Jan - 29 Jan Finnair
08 Jan - 15 Jan Finnair
15 Jan - 22 Jan Finnair
23 Jan - 30 Jan Finnair
31 Jan - 07 Feb Finnair
30 Jan - 06 Feb Alaska Airlines

Also check the deals for one-way flights from Seattle to Helsinki in January.

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